"Phil Endecott" <spam_from_pgsql_lists(at)chezphil(dot)org> writes:
> Is replication going to work from an x86-64 master to an
> arm64 replica?
The hard part of this is usually whether the operating systems
are identical. If they have different locale data, you may find
that indexes on text columns appear out-of-order and therefore
corrupt on the replica. See
https://wiki.postgresql.org/wiki/Locale_data_changes
regards, tom lane